. Diseases of economic plants. Plant diseases. Vegetable and Field Crops 207 the field. The neck of the onion, where the top has been cut off, is coated with a fuzzy, pale brown or gray mold, and later. Fig. 110. — Black-spot showing variation. Original. this area bears few or many black sclerotia. The mold oc- curs also in water-soaked spots on leaves and seed heads. Diseased bulbs should never be set out. All diseased refuse should be destroyed. The crop must be thoroughly cured and dry before Please note that these images are extracted from scanned page images that may have been d
. Diseases of economic plants. Plant diseases. Vegetable and Field Crops 207 the field. The neck of the onion, where the top has been cut off, is coated with a fuzzy, pale brown or gray mold, and later. Fig. 110. — Black-spot showing variation. Original. this area bears few or many black sclerotia. The mold oc- curs also in water-soaked spots on leaves and seed heads. Diseased bulbs should never be set out. All diseased refuse should be destroyed. The crop must be thoroughly cured and dry before Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Stevens, Frank Lincoln, 1871- [from old catalog]; Hall, John Galentine, 1870- [from old catalog] joint author. New York, The Macmillan company
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921
